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Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology |
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You are here: Experimental > One molecule all properties |
Other names |
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Hydrogen; Molecular hydrogen; o-Hydrogen; p-Hydrogen; dihydrogen; |
INChI | INChIKey | SMILES | IUPAC name |
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InChI=1S/H2/h1H | UFHFLCQGNIYNRP-UHFFFAOYSA-N | [H][H] | dihydrogen |
State | Conformation |
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1Σg | D*H |
Property | Value | Uncertainty | units | Reference | Comment |
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Hfg(298.15K) ![]() |
0.00 | 0.00 | kJ mol-1 | CODATA | |
Hfg(0K) ![]() |
0.00 | 0.00 | kJ mol-1 | CODATA | |
Entropy (298.15K) ![]() |
130.68 | 0.00 | J K-1 mol-1 | CODATA | |
Integrated Heat Capacity (0 to 298.15K) ![]() |
8.47 | 0.00 | kJ mol-1 | CODATA |